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98d50dd607
* lib/math.in.h (exp2): New declaration. * lib/exp2.c: New file. * m4/exp2.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether exp2 is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/math (Makefile.am): Substitute GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/exp2: New file. * tests/test-math-c++.cc: Check the declaration of exp2. * doc/posix-functions/exp2.texi: Mention the new module and the IRIX and OpenBSD problems.
25 lines
607 B
Plaintext
25 lines
607 B
Plaintext
@node exp2
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@section @code{exp2}
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@findex exp2
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/exp2.html}
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Gnulib module: exp2
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function is missing on some platforms:
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FreeBSD 5.2.1, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, older IRIX 6.5, OSF/1 4.0, Solaris 9, MSVC 9, Interix 3.5.
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@item
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This function is not declared on some platforms:
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IRIX 6.5.
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@item
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This function returns grossly wrong results on some platforms:
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OpenBSD 4.9.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@end itemize
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